Takahashi FSQ106N @ f/5
Astro Physics 900GTO
Astronomik H-alpha filter (6nm), SII (13nm), OIII (13nm)
290min (5x1200s Ha, 5x1200s OIII, 9x600s SII) @ f/5, chip temp -10C
MaximDL 4.53, Registar, Sigma, Photoshop CS2
Northern Blackforest, Germany
July 16, July 17, 2006
NGC6888 is a wind-blown nebula associated with the Wolf-Rayet (WN6) star WR 136 (HD 192163) in the middle.